#!/bin/bash

# Slackware build script for ded

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

# At one time, there was a ded package on slackbuilds.org, for Slack 12.2.
# This build script was written from scratch for 14.1, without referring
# to the old script.

# 20210220 bkw: updated for 20210110. get rid of configure patch, found
#               a better way to disable the long filename test.
# 20200111 bkw: updated for 20200428 release
# 20200111 bkw: updated for 20191226 release
# 20180915 bkw: updated for 20180324 release

# 20170819 bkw:
# - ftp server's been down >1 week, use http archives for DOWNLOAD

# 20170305 bkw:
# - stop gnulib's long filename test from writing to /usr/lib and /var/lib

# 20150909 bkw: updated for 20150704 release
# 20140826 bkw:
# - updated for 20140722 release
# - added td_lib docs in /usr/doc

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=ded
VERSION=${VERSION:-20210110}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

# not going to make td_lib a separate package. If anyone's packaging up any
# of the (very few) apps that use td_lib, let them list ded as a dependency.
LIBNAM=td_lib
LIBVER=${LIBVER:-$VERSION}

# build everything here so it's easy to clean up after
BUILDDIR=$TMP/$PRGNAM-build

rm -rf $PKG $BUILDDIR
mkdir -p $BUILDDIR $PKG $OUTPUT

cd $BUILDDIR
rm -rf $LIBNAM-$LIBVER
tar xvf $CWD/$LIBNAM-$LIBVER.tgz
cd $LIBNAM-$LIBVER
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# "checking for long filenames" wants to create files in /usr/lib and
# /var/lib. Violates the principle of least surprise: users don't expect
# configure scripts (or SlackBuilds) to touch their system directories.

# This *should* work, but doesn't, I guess because configure.in is too old.
#sed -i '/^AC_SYS_LONG_FILE_NAMES/d' configure.in
#autoreconf -i

# It turns out we can force it in the environment.
ac_cv_sys_long_file_names="set" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

# NB: the -j1's are necessary, even on 'make install'.
make -j1

# actually, don't really need to make install, ded's configure will find
# the static lib just fine, but there do exist other apps that use td_lib
# so we'll include it in the package too. Upstream doesn't let us build
# it as a shared lib.
make -j1 install DESTDIR=$PKG

# let's include the td_lib docs
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/$LIBNAM-$LIBVER
cp -a CHANGES COPYING README $PKG/usr/doc/$PRGNAM-$VERSION/$LIBNAM-$LIBVER

cd $BUILDDIR
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tgz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

make -j1
make -j1 install DESTDIR=$PKG

strip $PKG/usr/bin/$PRGNAM
gzip -9 $PKG/usr/man/man1/$PRGNAM.1

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CHANGES COPYING README $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
